If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
3*x = 0
3*x = 0
3*x = 0
3*x = 0 // : 3
x = 0
x in (-oo:0) U (0:+oo)
-(1/(3*x))-5/6 = 0
(-1/3)*x^-1-5/6 = 0
-1/3*x^-1 = 5/6 // : -1/3
x^-1 = -5/2
-1 < 0
1/(x^1) = -5/2 // * x^1
1 = -5/2*x^1 // : -5/2
-2/5 = x^1
x = -2/5
x = -2/5
| 2m^2+15m+26=0 | | x/5+9=7 | | x/4-9=6 | | 1/16x^2-1/8x=1 | | 7x-1=7x-1 | | -((6x-5)^2+8)/3^2 | | -5/9x=25 | | (3/(w+8))+(5/(7w)) | | y^2-12y+11=0 | | x/5+10=4/5 | | 5p-7=13 | | -3/8/(-6) | | 6.53x+13.06=26.12 | | 1/4(x-24)=3/4 | | 1/7(x-49)=-6/7 | | 1/4(x-24)+3/4 | | 2x^3-7x+8= | | 14x-93x=76 | | 4x+y=80 | | 2c+3d+4c+7d= | | 2x+3y=189 | | e-28=0 | | .33x^2=1 | | 18x+15=9x+35 | | log(10-4x)=log(10-3x) | | -x^2+x+7=0 | | (6/(4m+5))-(6/(m-2))=(1/(4m^2-3m-10)) | | 22x=8x+1 | | 2y+x=-5 | | 6x^2+54x=30x^2+30x | | 11b-5b= | | 0.03(x-5)=0.06(x-7) |